Smallville Cast: Where Are They Now?
1. John Schneider
Like O'Toole and Glover, Schneider also had an incredibly successful career before appearing on Smallville, but his performance as Clark Kent's father Jonathan endeared him to a whole new audience.
Following his departure from the show, he appeared in multiple films - including a cameo appearance in 2009's The Rebound alongside Catherine Zeta-Jones - and TV shows such as Glee, Hot In Cleveland and CSI.
That said, his best-known work post-Smallville has been as Jim Cryer on 2013's crime soap opera The Have and The Have Nots - a role he's still playing to this day. He also appeared on Dancing With The Stars in 2018 and even resumed his legendary country music career with a new album.
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